Submission #1022446

#	Time	Username	Problem	Language	Result	Execution time	Memory
1022446		AmirAli_H1	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	57 ms	10560 KiB

railroad

// In the name of Allah

#include <bits/stdc++.h>
#include "railroad.h"
using namespace std;

typedef		long long int			ll;
typedef		long double				ld;
typedef		pair<int, int>			pii;
typedef		pair<ll, ll>			pll;
typedef		complex<ld>				cld;

#define		all(x)					(x).begin(),(x).end()
#define		len(x)					((ll) (x).size())
#define		F						first
#define		S						second
#define		pb						push_back
#define		sep						' '
#define		endl					'\n'
#define		Mp						make_pair
#define		kill(x)					cout << x << '\n', exit(0)
#define		set_dec(x)				cout << fixed << setprecision(x);
#define		file_io(x,y)			freopen(x, "r", stdin); freopen(y, "w", stdout);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int maxn = 2e5 + 7;
const ll oo = 1e18 + 4;

int n;
ll A1[maxn], A2[maxn];

ll plan_roller_coaster(vector<int> s, vector<int> t) {
    n = len(s);
    for (int i = 0; i < n; i++) {
    	A1[i] = s[i]; A2[i] = t[i];
	}
	A1[n] = oo; A2[n] = -oo; n++;
	
	ll ans = 0;
	sort(A1, A1 + n); sort(A2, A2 + n);
	for (int i = 1; i < n - 1; i++) {
		ans += max(0ll, A2[i] - A1[i]);
	}
    return ans;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36